CN203241673U - Electrochromic thin film element - Google Patents
Electrochromic thin film element Download PDFInfo
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- CN203241673U CN203241673U CN 201320208674 CN201320208674U CN203241673U CN 203241673 U CN203241673 U CN 203241673U CN 201320208674 CN201320208674 CN 201320208674 CN 201320208674 U CN201320208674 U CN 201320208674U CN 203241673 U CN203241673 U CN 203241673U
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- electrode layer
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Abstract
An electrochromic thin film element comprises a first module, a second module and an electrolyte layer arranged between the first module and the second module. The first module comprises a first substrate and a first transparent electrode layer arranged on the first substrate. The second module comprises a second substrate and a second transparent electrode layer arranged on the second substrate. The electrolyte layer used for providing positive ions to take part in the electrochemical reaction is arranged between the first transparent electrode layer and the second transparent electrode layer. A first electrochromic layer is arranged between the electrolyte layer and the first transparent electrode layer. The positive ions are IA metal ions. The first electrochromic layer is composed of a plurality of first display units, an interval is formed between every two adjacent first display units, and the first display units are not connected with one another. The first electrochromic layer is made of a transition metal oxide or a valence intercalation compound. The first electrochromic layer is made of one of a tungsten oxide, a nickel oxide, a vanadium oxide, a copper oxide or ferric ferrocyanide. The electrochromic thin film element can discolor immediately (instantly).
Description
Technical field
The utility model relates to the optically variable films element, particularly the electrochomeric films element.
Background technology
In the prior art, rearview mirror is indispensable safety fittings on the automobile, and it can allow the driver need not turn one's head just can see easily the traffic of back; General rearview mirror can be divided into room mirror and car left and right sides rearview mirror outward, though can avoid causing because of rotary head by rearview mirror the risk of traffic hazard during driving; But, as driver during in driving at night, if front vehicle is shone with high beam, cause rearview mirror to reflex on driver's the eyes and produce dazzle, moment will so that the driver be left in the dark, if this moment, there was anxious stop or the pedestrian goes out and will cause easily great traffic hazard of sending a car in the place ahead; Moreover, if being in for a long time, driver's eyes also produce easily fatigue under the strong illumination, just do not affect driver's health, be more prone to cause the generation of traffic hazard.
In addition, in the space of a sealing, the windowpane material can bring the comfort of people's wider field of view, so in the common buildings design, can see the application of many windowpane materials; Yet what increase window arranges area to reach the mode of a large amount of daylightings, also so that more solar thermal energy enter in the enclosure space thereupon, thereby increased the consumption of air conditioner energy source.
At present, the mode of general heat insulation solar thermal energy can be used curtain, low emissivity glass (Low-E) or in coloured sheathing paper of glass external pasting etc.; Take the installing curtain as example, its not only install loaded down with trivial details, take outside the interior space, often have again restriction on the landform (for example: anistree glass) can't install, and the in the future cleaning trouble that has again cord to remove and install; And the words of employing low emissivity glass, its product itself is needing infrared ray to enter under the indoor warming state except having the numerous and diverse shortcoming of multicoating processing procedure, and low emissivity glass is again because can't use it without dimming function, although and can stop infrared ray, energy-saving effect is limited; Though can be so that sunlit part be so not dazzling and paste sheathing paper, but can't effectively block ultraviolet wreaking havoc, also be barely satisfactory for heat-blocking action, and normal after using oxidation, irregular colour occur, fade, the problems such as foaming and gauffer, if when using the darker sheathing paper of color, though the better effect of heat insulation of tool, during with cloudy, rainy day, also can because of sheathing paper so that the glass printing opacity is not good, cause the disappearances such as indoor lighting deficiency.
So, for overcoming the defective of prior art, industry is namely developed a kind of electrochomeric glass in recent years, claim again dimming glass, it can be by changing electric current to adjust the glass transmittance, realize the effect of random conversion glass transmission, except can be used as the use of antidazzle driving mirror and Energy Saving Windows, more can be applicable to functional form glasses and vehicle dormer window etc. needs to adjust on the purposes of light power;
In the prior art, a kind of electrochomeric glass (referring to Fig. 1) occurred, it comprises---the first clear glass 71,---second clear glass 81;---the first transparent conductive film 72 Hes---second transparent conductive film 82,---the first electrochromic layer 73,---the second electrochromic layer 83; Described the first transparent conductive film 72 is located between the first clear glass 71 and the first electrochromic layer 73; Described the second transparent conductive film 82 is located between the second clear glass 81 and the second electrochromic layer 83, and the material of the first transparent conductive film 72 and the second transparent conductive film 82 can adopt tin indium oxide (ITO);---dielectric substrate 91, described dielectric substrate 91 are located between the first electrochromic layer 73 and the second electrochromic layer 83, and the material of dielectric substrate 91 can adopt solid-state or liquid electrolyte; Simultaneously between the first transparent conductive film 72 and the second transparent conductive film 82, provide an external voltage U, for example a dc-battery; By adjusting the size of voltage U or electric current I, make the material production electrochemical reaction in the electrochromic layer 73,83, its product has in various degree absorbance log to the light of specific wavelength, and shows different colors.
Though above-mentioned electrochomeric glass can solve the defective of automobile rearview mirror and the application of windowpane material when practical application, but when the area of electrochomeric glass is larger, the time of its full wafer glass variable color also is directly proportional correspondingly to be increased, for some occasions (for example: rearview mirror is come in the open air when indoor by strong illumination or the glasses of wearing dimming glass) that needs immediately variable colors, often cause the switch speed of variable color to cross slow and cause the inconvenience used.
So there is the defective of the needs of the occasion that can not be applicable to immediately (moment) variable color in prior art.
Summary of the invention
The purpose of this utility model is to overcome prior art and crosses the slow immediately defective of (moment) variable color that causes because of the switch speed of variable color, provide a kind of oxidation or reduction reaction time that shortens electrochromic layer, immediately the electrochomeric films element of (moment) variable color.
The purpose of this utility model is achieved through the following technical solutions:
The electrochomeric films element comprises the dielectric substrate that is provided with between the first module and the second module and two modules;
Described the first module comprises first substrate and is located at the first transparent electrode layer on the first substrate;
Described the second module comprises second substrate and is located at the second transparent electrode layer on the second substrate;
Describedly be located between the first transparent electrode layer and the second transparent electrode layer in order to the dielectric substrate that provides kation to participate in electrochemical reaction; Be provided with the first electrochromic layer between described dielectric substrate and the first transparent electrode layer.
Described kation is IA family metallic ion.
Described the first electrochromic layer is comprised of a plurality of the first display units, is provided with a gap between the first adjacent display unit, and each first display unit is not connected each other.
The material of described the first electrochromic layer is to embed compound between transition metal oxide or valency; The material of described the first electrochromic layer is tungsten oxide (WO
3), nickel oxide (NiO
X), vanadium oxide (V
2O
5), cupric oxide (CuO
X) or ferric ferrocyanide (Fe
4[Fe(CN)
6]
3) one of them.
Be provided with the second electrochromic layer between described dielectric substrate and the second transparent electrode layer, described the second electrochromic layer is comprised of a plurality of the second display units, is provided with each other a gap between described the second display unit, and each second display unit is not connected each other.
The material of described the second electrochromic layer is to embed compound between transition metal oxide or valency; The material of described the second electrochromic layer is tungsten oxide (WO
3), nickel oxide (NiO
X), vanadium oxide (V
2O
5), cupric oxide (CuO
X) or ferric ferrocyanide (Fe
4[Fe(CN)
6]
3) one of them.
Described first substrate and second substrate are pliability flexible base plate or glass substrate; Described first substrate and second substrate are polycarbonate (PC) or polyethylene terephthalate (PET) substrate.
The material of described the first transparent electrode layer and the second transparent electrode layer is tin indium oxide (ITO) or fluorine doped tin oxide (FTO).
The utility model can reach following beneficial effect after adopting technique scheme:
1, creativeness.The utility model has overcome the defective of prior art, design science, reasonable; Modern design, uniqueness; The needs of instant (instantaneous) variable color be can satisfy, modern society's fashion, brief, practical, quick, safe requirement met.
2, product polytrope.The utility model can further be provided with the second electrochromic layer between dielectric substrate and the second transparent electrode layer, and the second electrochromic layer is comprised of a plurality of the second display units, has each other a gap between the second display unit, so that be not connected each other between the second display unit, like this, not only can shorten oxidation or the reduction reaction time of the second electrochromic layer, also can so that the color changeable effect of electrochomeric films element by a kind of color (for example: mazarine) (for example: dark-brown) become another kind of color.
3, energy-saving and environmental protection.When the utility model is applied to suitable environment, when between the first transparent electrode layer and the second transparent electrode layer during external voltage, the first display unit can be considered the state that is connected in parallel to each other, so that all identical across the voltage of the first display unit, cause the start time of the first display unit generation oxidation or reduction reaction identical, avoid increasing because electrochomeric films element area is excessive the reaction deadline, so that whole the first electrochromic layer is finished painted or the time of discoloring significantly shortens, reach the electrochomeric films element of size in A3(290mm * 420mm), its deadline painted or that discolor is about 30 seconds, so significant energy savings, but about energy efficient 60%, more effectively alleviate atmospheric pollution.
4, durable.The utility model can be according at random variable color of suitable environment, and is little on the impact in serviceable life of appropriate products, can keep for a long time its original impression, prolonged the serviceable life of appropriate products.
5, applied widely.The utility model is not subjected to the suitable environment conditionality, can be widely used in any place that needs are arranged.
6, the market economy benefit is wide.The utility model is because himself creativeness, has environmental protection, the superior condition such as energy-conservation, safe, can adapt to the needs of society, and the market economy benefit is wide, and the anticipations of profit are than prior art increase about 95%, and the market economy benefit is wide.
Description of drawings
Fig. 1 is the sectional view of electric driven color-changing part glass structure in the prior art;
Fig. 2 is the sectional view of an embodiment of the utility model;
Fig. 3 is the vertical view of an embodiment of the utility model;
Fig. 4 is the sectional view of second embodiment of the utility model.
Description of reference numerals
In Fig. 1
71, the first clear glass 72, the first transparent conductive film 73, the first electrochromic layer 81, the second clear glass 82, the second transparent conductive film 83, the second electrochromic layer 91, dielectric substrate;
In Fig. 2
1, the first module 11, first substrate 12, the first transparent electrode layer 2, the second module 21, second substrate 22, the second transparent electrode layer 3, dielectric substrate 4, the first electrochromic layer 41, the first display unit 5, gap;
In Fig. 3
5, gap 21, second substrate;
In Fig. 4
1, the first module 11, first substrate 12, the first transparent electrode layer 2, the second module 21, second substrate 22, the second transparent electrode layer 3, dielectric substrate 4, the first electrochromic layer 41, the first display unit 5, gap 6, the second electrochromic layer 61, the second display unit.
Embodiment
Below in conjunction with drawings and the specific embodiments the utility model is described in further detail:
Referring to Fig. 1
Fig. 1 is the sectional view of electric driven color-changing part glass structure in the prior art.In Fig. 1, the electrochomeric glass structure, it comprises---the first clear glass 71,---second clear glass 81;---the first transparent conductive film 72 Hes---second transparent conductive film 82,---the first electrochromic layer 73,---the second electrochromic layer 83; Described the first transparent conductive film 72 is located between the first clear glass 71 and the first electrochromic layer 73; Described the second transparent conductive film 82 is located between the second clear glass 81 and the second electrochromic layer 83, and the material of the first transparent conductive film 72 and the second transparent conductive film 82 can adopt tin indium oxide (ITO);---dielectric substrate 91, described dielectric substrate 91 are located between the first electrochromic layer 73 and the second electrochromic layer 83, and the material of dielectric substrate 91 can adopt solid-state or liquid electrolyte; And between the first transparent conductive film 72 and the second transparent conductive film 82, provide an external voltage, a dc-battery for example; By adjusting voltage or size of current, make the material production electrochemical reaction in the electrochromic layer, its product has in various degree absorbance log to the light of specific wavelength, and shows different colors.
Though above-mentioned electrochomeric glass can solve the defective of automobile rearview mirror and the application of windowpane material when reality is implemented, but when the area of electrochomeric glass is larger, the time of its full wafer glass variable color also is directly proportional correspondingly to be increased, for some occasions (for example: rearview mirror is come in the open air when indoor by strong illumination or the glasses of wearing dimming glass) that needs immediately variable colors, often cause the switch speed of variable color to cross slow and cause the inconvenience used.
So there is the defective of the needs of the occasion that can not be applicable to immediately (moment) variable color in prior art.
Referring to Fig. 2
Fig. 2 is the sectional view of an embodiment of the utility model.In Fig. 2, the electrochomeric films element comprises:
---the first module 1 is comprised of first substrate 11 and the first transparent electrode layer 12 of being located on the first substrate 11.
---the second module 2, by second substrate 21 and be located at the second transparent electrode layer 22 on the second substrate 21 form the second transparent electrode layer 22 and 12 pairs of both sides of being located at dielectric substrate 3 of the first transparent electrode layer; Wherein, first substrate 11 and second substrate 21 can adopt pliability flexible base plate (such as polycarbonate (PC) or polyethylene terephthalate (PET) substrate etc.) or glass substrate; And the material of the first transparent electrode layer 12 and the second transparent electrode layer 22 can adopt the materials such as tin indium oxide (ITO) and fluorine doped tin oxide (FTO);
---dielectric substrate 3, to be located between the first transparent electrode layer 12 and the second transparent electrode layer 22, dielectric substrate 3 is in order to provide kation to participate in electrochemical reaction; Wherein, kation (for example: H can adopt IA family metallic ion
+, Li
+, Na
+, K
+Deng), and
---the first electrochromic layer 4, be located between dielectric substrate 3 and the first transparent electrode layer 12; Wherein, the first electrochromic layer 4 is comprised of a plurality of the first display units 41, and 41 of the first display units are provided with a gap 5 each other, so that these first display units 41 are not connected; Wherein, the material of the first electrochromic layer 4 can adopt transition metal oxide (for example: tungsten oxide (WO
3), nickel oxide (NiO
X), vanadium oxide (V
2O
5) or cupric oxide (CuO
X) one of them) or valency between (for example: ferric ferrocyanide (Fe embed compound
4[Fe(CN)
6]
3)).
The material of electrochomeric films element the first electrochromic layer 4 can adopt tungsten oxide WO
3, and dielectric substrate 3 is in order to provide Li
+Kation participates in electrochemical reaction, and the first electrochromic layer 4 is certain by three the first display unit 41(, and the quantity of the first display unit 41 also can arrange as required) form; Then, between the first transparent electrode layer 12 and the second transparent electrode layer 22, provide an external voltage, at this moment, Li
+Kation and electronics e
-Enter simultaneously in the first electrochromic layer 4, make the tungsten oxide WO of the first electrochromic layer 4
3Reduction reaction occurs and form navy blue reduction-state Li
XW
IV (1-X)W
VXO
3, this is coloring reaction, and its reactive chemistry formula is as follows:
WO
3+X（Li
++e
ˉ）→Li
XW
IV(1-X)W
VXO
3；
Because the first electrochromic layer 4 is comprised of three the first display units 41, and has to each other a gap 5, so when between the first transparent electrode layer 12 and the second transparent electrode layer 22 during external voltage U, three the first display units 41 can be considered the state that is connected in parallel to each other, so that all identical across the voltage U of three the first display units 41, the start time that causes three the first display units 41 that reduction reaction occurs is all identical, so that whole the first electrochromic layer 4 is finished painted time shorten; When the first display unit of the first electrochromic layer 4 is more than 41, its coloring reaction time will be shorter.
Noticeable, it is to explanation of the present utility model that aforementioned the first electrochromic layer 4 is comprised of three the first display units 41, be not restricted to three, display unit 41 can arrange its quantity as required, principle of the present utility model: can be used for plural the first display unit 41, the utility model can be in the electrochomeric films element of size of A3(290mm * 420mm), the painted deadline is significantly foreshortened to be about 30 seconds.
And when removing external voltage U or when external voltage U polarity is changed, Li
+Kation and electronics e
-Leave simultaneously in the first electrochromic layer 4, make the Li of the first electrochromic layer 4
XW
IV (1-X)W
VXO
3Oxidation reaction occurs and form transparent tungsten oxide (WO
3) oxidation state, this is the reaction of discoloring, and its reactive chemistry formula is as follows:
Li
XW
IV(1-X)W
VXO
3→WO
3+X（Li
++e
ˉ）；
In like manner, because the first electrochromic layer 4 is comprised of three the first display units 41, the start time that causes three the first display units 41 that oxidation reaction occurs is all identical, so that whole the first electrochromic layer 4 is finished the time shorten that discolors.
Referring to Fig. 3
Fig. 3 is the vertical view of an embodiment of the utility model.In Fig. 3, the first electrochromic layer 4(is referring to Fig. 2) in a plurality of the first display units 41 between be provided with gap 5 so that each display unit is not connected each other, its principle of work is as shown in Figure 2.
Referring to Fig. 4
Fig. 4 is the sectional view of second embodiment of the utility model.In Fig. 4, further be provided with between the dielectric substrate 3 of electrochomeric films element and the second transparent electrode layer 22---the second electrochromic layer 6, and the second electrochromic layer 6 is comprised of a plurality of the second display units 61, be provided with to each other a gap 5 between a plurality of the second display units 61, so that the second display unit 61 is not to be connected each other; Wherein the material of the second electrochromic layer 6 can adopt transition metal oxide (for example: tungsten oxide (WO
3), nickel oxide (NiO
X), vanadium oxide (V
2O
5) or cupric oxide (CuO
X) etc.) and valency between (for example: ferric ferrocyanide (Fe embed compound
4[Fe(CN)
6]
3)) one of them.
When implementing, owing to set up more---the second electrochromic layer 6 so that the electrochomeric films element can be changed, becomes the conversion between mazarine and another kind of color, with the demand on being used between the transparent and mazarine of one preferred embodiment; If the material of the second electrochromic layer 6 adopts nickel oxide (NiO
X), because the oxidation state of nickel oxide is dark-brown, and reduction-state is transparent, like this, and will be so that during the conversion of external voltage polarity, the color of electrochomeric films element can be changed between mazarine and dark-brown; And the second display unit 61 of the second electrochromic layer 6 is identical with effect and Fig. 2 of use because of impressed voltage U manner of execution.
In sum, the utility model is by being divided into respectively a plurality of display units with electrochromic layer, so that display unit is in first, during two transparent electrode layer external voltage U, display unit can be considered the state that is connected in parallel to each other, so that it is all identical to be across the voltage U of display unit, cause the start time of display unit generation reduction or oxidation reaction all identical, avoid increasing because electrochomeric films element area is excessive the disappearance of reaction deadline, so that the whole electrochromic layer time painted or that discolor can significantly shorten, reach the electrochomeric films element in the A3 size, its reaction deadline is about 30 seconds effect; Thereby, improve existing electrochomeric glass structure for some places (for example: rearview mirror is come in the open air when indoor by strong illumination or the glasses of wearing dimming glass) that needs immediately variable colors, often cause the switch speed of variable color to cross slow and cause inconvenient to use.
Other techniques of the present utility model can adopt prior art.
Most preferred embodiment of the present utility model is illustrated, and the further expansion that those of ordinary skill in the art makes according to the utility model all falls into protection domain of the present utility model.
Claims (10)
1. electrochomeric films element, it is characterized in that: described thin-film component comprises the dielectric substrate that is provided with between the first module and the second module and two modules;
Described the first module comprises first substrate and is located at the first transparent electrode layer on the first substrate;
Described the second module comprises second substrate and is located at the second transparent electrode layer on the second substrate;
Describedly be located between the first transparent electrode layer and the second transparent electrode layer in order to the dielectric substrate that provides kation to participate in electrochemical reaction; Be provided with the first electrochromic layer between described dielectric substrate and the first transparent electrode layer.
2. electrochomeric films element according to claim 1, it is characterized in that: described kation is IA family metallic ion.
3. electrochomeric films element according to claim 1, it is characterized in that: described the first electrochromic layer is comprised of a plurality of the first display units, is provided with a gap between the first adjacent display unit, and each first display unit is not connected each other.
4. electrochomeric films element according to claim 1, it is characterized in that: the material of described the first electrochromic layer is to embed compound between transition metal oxide or valency.
5. it is characterized in that according to claim 1 or 4 described electrochomeric films elements: the material of described the first electrochromic layer be tungsten oxide, nickel oxide, vanadium oxide, cupric oxide or ferric ferrocyanide one of them.
6. electrochomeric films element according to claim 1, it is characterized in that: be provided with one second electrochromic layer between described dielectric substrate and the second transparent electrode layer, described the second electrochromic layer is comprised of a plurality of the second display units, be provided with each other a gap between described the second display unit, each second display unit is not connected each other.
7. electrochomeric films element according to claim 6, it is characterized in that: the material of described the second electrochromic layer is to embed compound between transition metal oxide or valency.
8. electrochomeric films element according to claim 6 is characterized in that: the material of described the second electrochromic layer be tungsten oxide, nickel oxide, vanadium oxide, cupric oxide or ferric ferrocyanide one of them.
9. electrochomeric films element according to claim 1, it is characterized in that: described first substrate and second substrate are pliability flexible base plate or glass substrate; Described first substrate and second substrate are polycarbonate or polyethylene terephthalate substrate.
10. electrochomeric films element according to claim 1, it is characterized in that: the material of described the first transparent electrode layer and the second transparent electrode layer is tin indium oxide or fluorine doped tin oxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320208674 CN203241673U (en) | 2013-04-23 | 2013-04-23 | Electrochromic thin film element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320208674 CN203241673U (en) | 2013-04-23 | 2013-04-23 | Electrochromic thin film element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203241673U true CN203241673U (en) | 2013-10-16 |
Family
ID=49318953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320208674 Expired - Fee Related CN203241673U (en) | 2013-04-23 | 2013-04-23 | Electrochromic thin film element |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI500020B (en) * | 2013-12-02 | 2015-09-11 | Tintable Smart Material Co Ltd | Structure for controlling discoloration for electrochromic lens and method therefore |
| CN108828867A (en) * | 2018-06-29 | 2018-11-16 | 信利光电股份有限公司 | A kind of electrochromic rearview and preparation method thereof |
| CN108983526A (en) * | 2018-10-22 | 2018-12-11 | 五邑大学 | A kind of Electrochromic device and preparation method thereof of electric current driving |
| CN110282880A (en) * | 2019-07-15 | 2019-09-27 | 吉林农业科技学院 | A kind of preparation method for the double-deck nickel oxide film introducing ion diffusion layer |
| WO2019206016A1 (en) * | 2018-04-28 | 2019-10-31 | 京东方科技集团股份有限公司 | Display panel and control method, and display device |
| CN111240118A (en) * | 2019-08-30 | 2020-06-05 | 浙江工业大学 | Novel electrochromic device with three-electrode structure and preparation method thereof |
| CN111356953A (en) * | 2017-12-29 | 2020-06-30 | 深圳市柔宇科技有限公司 | Self-powered touchable electrochromic film |
-
2013
- 2013-04-23 CN CN 201320208674 patent/CN203241673U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI500020B (en) * | 2013-12-02 | 2015-09-11 | Tintable Smart Material Co Ltd | Structure for controlling discoloration for electrochromic lens and method therefore |
| CN111356953A (en) * | 2017-12-29 | 2020-06-30 | 深圳市柔宇科技有限公司 | Self-powered touchable electrochromic film |
| WO2019206016A1 (en) * | 2018-04-28 | 2019-10-31 | 京东方科技集团股份有限公司 | Display panel and control method, and display device |
| CN108828867A (en) * | 2018-06-29 | 2018-11-16 | 信利光电股份有限公司 | A kind of electrochromic rearview and preparation method thereof |
| CN108983526A (en) * | 2018-10-22 | 2018-12-11 | 五邑大学 | A kind of Electrochromic device and preparation method thereof of electric current driving |
| CN108983526B (en) * | 2018-10-22 | 2023-10-13 | 五邑大学 | Current-driven color-changing device and preparation method thereof |
| CN110282880A (en) * | 2019-07-15 | 2019-09-27 | 吉林农业科技学院 | A kind of preparation method for the double-deck nickel oxide film introducing ion diffusion layer |
| CN111240118A (en) * | 2019-08-30 | 2020-06-05 | 浙江工业大学 | Novel electrochromic device with three-electrode structure and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131016 Termination date: 20210423 |